xref: /freebsd/sys/contrib/device-tree/Bindings/gpio/gpio-pca9570.yaml (revision a90b9d0159070121c221b966469c3e36d912bf82) 
1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/gpio/gpio-pca9570.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: PCA9570 I2C GPO expander
8
9maintainers:
10  - Sungbo Eo <mans0n@gorani.run>
11
12properties:
13  compatible:
14    enum:
15      - dlg,slg7xl45106
16      - nxp,pca9570
17      - nxp,pca9571
18
19  reg:
20    maxItems: 1
21
22  gpio-controller: true
23
24  '#gpio-cells':
25    const: 2
26
27  gpio-line-names:
28    minItems: 4
29    maxItems: 8
30
31required:
32  - compatible
33  - reg
34  - gpio-controller
35  - "#gpio-cells"
36
37additionalProperties: false
38
39examples:
40  - |
41    i2c {
42        #address-cells = <1>;
43        #size-cells = <0>;
44
45        gpio@24 {
46            compatible = "nxp,pca9570";
47            reg = <0x24>;
48            gpio-controller;
49            #gpio-cells = <2>;
50        };
51    };
52
53...
54